Massage and stretching of the Quadratus Lumborum (QL) muscle is beneficial for singers.
“The QL originates via aponeurotic fibers into the iliolumbar ligament and the internal lip of the iliac crest for about 5 cm. It inserts from the lower border of the last rib for about half its length, and by four small tendons from the apices of the transverse processes of the upper four lumbar vertebrae. Occasionally a second portion of this muscle is found in front of the preceding. It arises from the upper borders of the transverse processes of the lower Read more